Module bi_consumer 

BiConsumer Types

Provides non-mutating bi-consumer interface implementations for operations that accept two input parameters without modifying their own state or the input values.

It is similar to the Fn(&T, &U) trait in the standard library.

This module provides a unified BiConsumer trait and three concrete implementations based on different ownership models:

• BoxBiConsumer<T, U>: Box-based single ownership
• ArcBiConsumer<T, U>: Arc-based thread-safe shared ownership
• RcBiConsumer<T, U>: Rc-based single-threaded shared ownership

Design Philosophy

BiConsumer uses Fn(&T, &U) semantics: it is invoked through &self and receives shared references to both input values.

Suitable for pure observation, logging, and notification scenarios with two parameters. Compared to StatefulBiConsumer, BiConsumer does not require wrapper-level interior mutability (Mutex/RefCell), making it more efficient and easier to share.

Author

Haixing Hu

Structs

ArcBiConsumer

ArcBiConsumer struct

ArcConditionalBiConsumer

ArcConditionalBiConsumer struct

BoxBiConsumer

BoxBiConsumer struct

BoxConditionalBiConsumer

BoxConditionalBiConsumer struct

RcBiConsumer

RcBiConsumer struct

RcConditionalBiConsumer

RcConditionalBiConsumer struct

Traits

BiConsumer

BiConsumer trait - Unified non-mutating bi-consumer interface

FnBiConsumerOps

Extension trait providing non-mutating bi-consumer composition methods for closures